Improved Sensorless Control Strategy of High-Power Synchronous Motor for Pumped Storage Power Station

被引：0

作者：

Kou, Jiabao ^{[1
]}

Yang, Fengrui ^{[1
]}

Guo, Fengyi ^{[1
]}

Li, Xiangyu ^{[1
]}

Xu, Qijin ^{[2
]}

机构：

[1] Wenzhou Univ, Wenzhou, Peoples R China

[2] Zhejiang Qual Inspect Ctr High & Low Voltage Elec, Wenzhou, Peoples R China

来源：

2022 25TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2022) | 2022年

基金：

中国国家自然科学基金;

关键词：

Synchronous motor; rotor position detection; sensorless; leading commutation angle;

D O I：

10.1109/ICEMS56177.2022.9983144

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The high-power synchronous motor is widely used in pumped storage power station. An improved sensorless control strategy of synchronous motor is proposed in this paper, which can improve its operating reliability. First, the mathematical model of synchronous motor is built, and the low speed rotor position detection method is given. The detailed theoretical analysis and mathematical derivation are provided. Then, the back electromotive force phase detection for high-power synchronous motor at high speed is proposed. The influence of on-load operation on back electromotive force phase detection is given. Further, an improved constant leading commutation angle control method is expounded. At last, the simulation result verifies the proposed sensorless control strategy is feasibility.

引用

页数：6

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